GreenFILE(EBSCO) A unique perspective on the positive and negative ways humans affect the environment is offered. Nearly 300,000 records, full text for selected titles and searchable cited references for more than 200 titles.

Public Library of Science (PLoS) - free web(Public Library of Science) PLoS features "peer-reviewed, open access scientific and medical journals that include original research as well as timely feature articles."

HighWire Press - free web(Stanford University) Includes the largest archive of free full-text science journals with over one million free full-text articles.NOTE: If you see a price to view full text, ask a librarian to request that the article be sent free from another library via interlibrary loan.